Year Dollars 2002-01-01 185542 2005-01-01 29460715 2007-01-01 11354555 2008-01-01 27228739 2009-01-01 4368298 2010-01-01 6691242 2011-01-01 2295889 2012-01-01 2404278 2013-01-01 2709014 2014-01-01 2181072 2015-01-01 1303527 2016-01-01 1712192